Python广泛应用于机器学习, 人工智能和统计数据分析等课程. 它也被很多大学作为入门语言来教授. 目前是我们代写最多的编程语言.
Types Chapters 7, 8 Data Types § Use of types: § Provide implicit context for operations § C: a + b – integer/floating point addition § Pascal: new p – allocate right size § C: new my_type()- right size, call right constructor § Type checking § Type equivalence: when two types are the same § […]
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LAST NAME (please print) First name (please print) Student Number western university department of computer science CS3342: Organization of Programming Languages – Winter 2021 – Midterm Exam – Wednesday, March 3, 3:30 – 5:30pm Location: OWL Instructor: Prof. Lucian Ilie Submit your solutions as a single PDF file. Typeset answers are preferred but legible handwriting
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Programming Language Syntax Chapter 2 Regular Expressions § Token: a shortest string of characters with meaning § Tokens – specified by regular expressions § An alphabet S is any finite nonempty set § Examples: § English: {a, b, …, z}, § binary: {0, 1} § {a, b, …, z, 0, 1, …, 9, ⋅, |,
CS3342 – Assignment 2 due Feb. 24, 2021 1. (20pt) Consider the following grammar: S′ −→ S$$ S −→ aSa S −→ ε (1) (10pt) Prove that G is not SLR(1). (Use the definition on the last slide of the Syntax chapter.) (2) (10pt) Construct G′, equivalent with G, that is SLR(1). Prove that G′
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Introduction Chapter 1 Programming languages – ubiquitous 2 Computer evolution §ENIAC § 18,000 sq feet § 25 tones = 25,000 Kg § 5,000 instr/s §iPhone 6 § 4.55 ounces = 0.13 Kg § 25,000,000,000 instr/s § 20,000 x smaller, 5,000,000 x faster = 100,000,000,000 x more efficient 3 Introduction Why are there so many languages?
Control Flow Chapter 6 Control Flow § Basic paradigms for control flow: § Sequencing § Selection § Iteration § Procedural Abstraction § Recursion § Concurrency § Exception Handling § Nondeterminacy 2 Control Flow § Sequencing: § major role in imperative languages § minor role in functional languages § Recursion § major role in functional languages
CSCA48 – Unit 6 – Designing and Building Good Software Winter 2021 Learning Outcomes Unlike the previous units, the goal of this unit is not to get you to understand how to do things, but rather to give you a preview of some of the advanced concepts that you will encounter in courses beyond this
CSCA48 – Unit 1 – Introduction to Programming in C Winter 2021 Learning Outcomes This unit will introduce you to the C programming language, and show you how to do most of what you can already to in Python in C. By the end of this unit, you will be able to: 1 • •
CSCA48 – Unit 2 – Data and Memory Winter 2021 Learning Outcomes This unit introduces the C memory model, a way of thinking about and tracing memory usage by C programs. It also covers fundamental data types and how to allocate memory for variables and arrays. By the end of this unit, you will be
CSCA48 – Unit 3 – Organizing, Storing, and Accessing Information Winter 2021 Learning Outcomes This unit will cover the basics of how to deal with data that doesn’t fit neatly into one of c’s pre-defined data types. By the end of this unit, you will be able to: 1 • • • • Use structs